diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 95e7a31..bdd92a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        test-java-version: [ 11, 17, 21 ]
+        test-java-version: [ 17, 21 ]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/src/site/markdown/building.md b/src/site/markdown/building.md
index 823d3d3..0eaf3e1 100644
--- a/src/site/markdown/building.md
+++ b/src/site/markdown/building.md
@@ -11,7 +11,7 @@ The code uses the maven-wrapper for local builds.
 % ./mvnw clean install
 ```
 
-At least Java 11 is required for building. While the code should build with any Java version post 11, only LTS versions (currently 11 and 17) are supported.
+At least Java 17 is required for building. While the code should build with any Java version post 17, only LTS versions (currently 17 and 21) are supported.
 
 The resulting library runs on Java 11 and beyond.
 
diff --git a/src/site/markdown/changes.md b/src/site/markdown/changes.md
index 33a2471..41d7bbc 100644
--- a/src/site/markdown/changes.md
+++ b/src/site/markdown/changes.md
@@ -8,6 +8,7 @@ This is the change log for pg-embedded. It follows [Keep a Changelog v1.0.0](htt
 - dependency updates, build fixes
 - tests are now run against 16.4.0 (used to be 15.4.0)
 - Default embedded database version is now 15 (used to be 13)
+- Require Java 17 or 21 for building
 
 
 ## 5.1.0 - 2023-10-22